American Tower — Feb 24, 2026 release

Additional information pertaining to the impact of foreign currency and Secured Overnight Financing Rate fluctuations on the Company’s outlook has been provided in the supplemental disclosure package available on the Company’s website. 2026 Outlook: ($ in millions, except per share amounts.) Full Year 2026 Midpoint Growth Rates vs. Prior Year Total property revenue (1)(2) $ 10,440  to $ 10,590  2.0  % Net income 2,945  to 3,025  14.1  % Net income attributable to AMT common stockholders 2,980  to 3,060  24.1  % Adjusted EBITDA (3) 7,090  to 7,160  (0.1) % AFFO attributable to AMT common stockholders 5,035  to 5,115  0.7  % AFFO attributable to AMT common stockholders per Share $ 10.78  to $ 10.95  1.0  % ______________ (1) Includes U.S. & Canada segment property revenue of $5,060 million to $5,120 million, Latin America property revenue of $1,645 million to $1,665 million, Africa & APAC property revenue of $1,535 million to $1,555 million, Europe property revenue of $1,025 million to $1,055 million and Data Centers segment property revenue of $1,175 million to $1,195 million, reflecting midpoint growth rates of (3.0)%, 0.8%, 8.6%, 10.9% and 12.5%, respectively. The U.S. & Canada growth rate includes an estimated negative impact of over 3% associated with a decrease in non-cash straight-line revenue recognitio n. Data Centers segment property revenue reflects revenue from the Company’s data center facilities and related assets. (2) Property revenue growth rate includes an estimated negative impact of approximately 2% associated with a decrease in straight-line revenue